Tetrahedrite Antimony-Copper Ore Concentrate from Japan
Tetrahedrite ((Cu,Fe)12Sb4S13) ore concentrate where antimony contributes significant value alongside copper, processed via selective flotation. When antimony is the chief value, this concentrate is classified under tariff item 2617.10.00, not under copper ores.
Duty Rate — Japan → Canada
0%
Import Tips
• Submit a detailed assay showing antimony as the primary metal value to prevent reclassification under copper ores
• Explain the flotation process to confirm it is a normal metallurgical preparation step